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公开(公告)号：US20240190413A1
公开(公告)日：2024-06-13
申请号：US18287920
申请日：2021-08-10
申请人： NINGBO GEELY ROYAL ENGINE COMPONENTS CO., LTD , AUROBAY TECHNOLOGY CO., LTD. , ZHEJIANG GEELY HOLDING GROUP CO., LTD
发明人： Junchao JING , Yiqiang LIU , Weishan HUANG , Jun YANG , Xuemei YU , Ruiping WANG , Ingo SCHOLTEN
CPC分类号： B60W10/30 , B60L50/16 , B60L2210/12 , B60L2210/14
摘要： A DCDC output voltage control method and control system for a hybrid electric vehicle are provided. The method includes: when a DCDC converter is in a buck operation mode, determining whether the vehicle is in a high power output demand state or an abnormal engine flame-out state; if so, setting the output voltage of the DCDC converter to a normal target voltage; otherwise, determining whether a low-voltage load has a charging voltage boost demand, and when the low-voltage load has the charging voltage boost demand and the power of a high-voltage battery is greater than a power threshold, setting the output voltage of the DCDC converter according to the voltage level corresponding to the charging voltage boost demand, to meet the charging demand of the low-voltage load. The fuel economy of a hybrid power assembly system can be optimized.
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公开(公告)号：US11988256B2
公开(公告)日：2024-05-21
申请号：US18462440
申请日：2023-09-07
申请人： Zhejiang Geely Holding Group Co., LTD , Ningbo Geely Royal Engine Components Co., Ltd. , Aurobay Technology Co.,Ltd.
发明人： Junchao Jing , Jun Yang , Yiqiang Liu , Yiming Hui , Guang Ban , Guikang Yang , Weishan Huang , Ingo Scholten , Ruiping Wang
IPC分类号： F16D48/06
CPC分类号： F16D48/06 , F16D2500/30406 , F16D2500/30412 , F16D2500/30425 , F16D2500/30428 , F16D2500/3056 , F16D2500/31446
摘要： A clutch control method, including: determining whether a current vehicle state satisfies a condition for a clutch to enter a sliding friction state; if so, controlling the clutch to enter the sliding friction state, and determining a target sliding friction rotating speed of the clutch; determining whether the current vehicle state satisfies a condition for entering a clutch torque deviation collecting state; if so, collecting a torque deviation once and storing the torque deviation; at an end of an adjustment period, accumulating all torque deviations collected previously and taking an average value according to an accumulation number of times, so as to obtain an average torque deviation; if the average torque deviation exceeds a preset deviation threshold, recording the average torque deviation; and if the current vehicle state satisfies a condition for entering a deviation applying state, adjusting a current clutch friction coefficient according to the recorded average torque deviation.
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3.发明公开公开(公告)号：US20230407803A1
公开(公告)日：2023-12-21
申请号：US18031612
申请日：2021-11-19
申请人： ZHEJIANG GEELY HOLDING GROUP CO.,LTD. , NINGBO GEELY ROYAL ENGINE COMPONENTS CO., LTD. , Aurobay Technology Co.,Ltd.
发明人： Conghui AN , Yiqiang LIU , Zhiwei QIAO , Changming JIN , Zhengxing DAI , Jiang TANG , Junjie GUO
CPC分类号： F02D41/0255 , F02D2200/0802 , F02D2200/50 , F01N3/2013
摘要： An intelligent control method for engine initiation, including: determining whether a current driving mode satisfies a predetermined driving mode; when the current driving mode satisfies the predetermined driving mode, acquiring a current remaining capacity of a battery; determining whether the current remaining capacity is greater than a predetermined capacity threshold value; when the current remaining capacity is greater than the predetermined capacity threshold value, not starting an engine, otherwise, acquiring a catalyst temperature and a vehicle operating state; determining, according to the vehicle operating state, whether the catalyst temperature is less than a predetermined temperature threshold value; when the catalyst temperature is not less than the predetermined temperature threshold value, driving the engine to rotate clockwise to start same in a fuel cut-off manner, otherwise, heating a catalyst by a heating plate until the catalyst temperature is not less than the predetermined temperature threshold value.
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公开(公告)号：US20230299684A1
公开(公告)日：2023-09-21
申请号：US18041803
申请日：2022-06-13
申请人： Ningbo Geely Royal Engine Components Co., Ltd. , Aurobay Technology Co.,Ltd. , Zhejiang Geely Holding Group Co., Ltd.
发明人： Junqi LIU , Chen YANG , Shubo LI , Lijun WANG , Xiaochun ZHU , Fangke LI , Ruiping WANG , Yige XIAO
CPC分类号： H02M3/3353 , B60L53/22 , H02M3/33561 , B60L1/02 , B60L2210/10
摘要： This application provides a vehicle DC voltage conversion circuit, including a high voltage battery connected in sequence, a primary-side-bridge module, a resonant module, a transformer module and a secondary-side-output module, wherein the secondary-side-output module includes a first voltage unit outputting a first voltage and a second voltage unit outputting a second voltage. The secondary side winding of the transformer is connected with the first voltage unit and the second voltage unit; The circuit also includes a driver module connected with the original side bridge module. The vehicle DC voltage conversion circuit provided in this application can not only output the first voltage, but also output the second voltage at the same time. It has the advantages of small size, high efficiency, low cost and industrialization, and can be widely used in the vehicle 48 V electrical load, such as 48 V vehicle electric heating system, 48 V vehicle cooling fan, and so on.
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5.发明公开公开(公告)号：US20230249158A1
公开(公告)日：2023-08-10
申请号：US18177857
申请日：2023-03-03
申请人： NINGBO GEELY ROYAL ENGINE COMPONENTS CO., LTD. , AUROBAY TECHNOLOGY CO., LTD. , ZHEJIANG GEELY HOLDING GROUP CO., LTD.
发明人： Lifeng XU , Ruiping WANG , Yuan SHEN , Hong WEI , Miao ZHANG , Jinqiang MA , Ingo SCHOLTEN
CPC分类号： B01J23/44 , B01J21/12 , B01J35/0006 , B01J35/04 , B01D53/944 , B01D53/945 , B01D53/9477 , B01D2255/1023 , B01D2255/9205 , B01D2255/9207 , B01D2255/908 , B01D2255/1025 , B01D2255/9032 , B01D2255/904
摘要： A three-way catalytic conversion system for purification treatment of an engine exhaust gas and use thereof, including an oxidation segment containing an oxidation catalyst and a three-way conversion segment containing a three-way catalyst, where the oxidation catalyst is used to catalyze an oxidation reaction of reductive components in the engine exhaust gas with oxygen, the oxidation segment is located downstream of an engine, and the three-way conversion segment is located downstream of the oxidation segment. Further, the oxidation catalyst tolerant to ultra-high temperature is provided upstream of the three-way catalyst so that the engine exhaust gas is treated by the oxidation catalyst first and then by the three-way catalyst, which can avoid the TWC being exposed to high temperature caused by burning (CO, HC), reduce its deterioration, and ensure exertion of function of three-way catalytic conversion of the system, improving the purification efficiency of the engine exhaust gas.
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公开(公告)号：US20240191680A1
公开(公告)日：2024-06-13
申请号：US18287913
申请日：2021-08-19
申请人： NINGBO GEELY ROYAL ENGINE COMPONENTS CO., LTD , AUROBAY TECHNOLOGY CO., LTD. , ZHEJIANG GEELY HOLDING GROUP CO., LTD
发明人： Yiqiang LIU , Junchao JING , Jie WU , Yongjian WANG , Wensong GUO , Bing HUI , Ruiping WANG , Ingo SCHOLTEN
IPC分类号： F02N11/08 , B60W10/06 , B60W10/08 , B60W10/26 , B60W10/30 , B60W20/13 , B60W20/15 , B60W50/00 , G07C5/08
CPC分类号： F02N11/0822 , B60W10/06 , B60W10/08 , B60W10/26 , B60W10/30 , B60W20/13 , B60W20/15 , B60W50/00 , G07C5/0808 , B60W2050/0026 , B60W2510/0619 , B60W2510/0623 , B60W2510/0676 , B60W2510/1005 , B60W2510/244 , B60W2520/10 , B60W2530/211 , B60W2540/10 , B60W2710/06 , B60W2710/083 , B60W2710/244 , B60W2710/30 , F02N2200/02 , F02N2200/024 , F02N2200/061 , F02N2200/0801 , F02N2200/0802 , F02N2200/10
摘要： An engine start-stop control method and device for a hybrid electric vehicle, and a hybrid electric vehicle belong to the technical field of vehicles. The method includes: obtaining a target parameter or a target signal, which is engine start-stop related, of the hybrid electric vehicle; determining, according to the target parameter or target signal, whether an engine start-stop related event occurs; if so, determining a level of the engine start-stop related event; and performing engine start-stop control according to the engine start-stop related event and the level thereof; wherein the engine start-stop related event includes at least one of the following: an energy management related start-stop event, a driving behavior related start-stop event, an engine state related start-stop event, an external controller request start-stop event, and other condition related start-stop events. The operating efficiency of the vehicle and the user experience are improved.
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7.发明公开公开(公告)号：US20240157929A1
公开(公告)日：2024-05-16
申请号：US18280681
申请日：2021-06-29
申请人： NINGBO GEELY ROYAL ENGINE COMPONENTS CO., LTD. , Aurobay Technology Co.,Ltd. , ZHEJIANG GEELY HOLDING GROUP CO.,LTD.
发明人： Junchao JING , Yiqiang LIU , Weishan HUANG , Botao ZUO , Xuemei YU , Ruiping WANG , Ingo SCHOLTEN
CPC分类号： B60W10/06 , B60W10/08 , B60W2520/28
摘要： A method and a device for controlling an engine to shut down, and an electronic device and a storage medium are provided. The method includes: obtaining current state information and operating parameter information of an engine, the current state information comprising a starting state, and the operating parameter information comprising rotating speed information, starting duration information, cooling liquid temperature information and torque information of the engine; and if the current state information is the starting state, and the rotating speed information, the starting duration information, the cooling liquid temperature information, and the torque information satisfy a first preset shutdown condition corresponding to the starting state, controlling the engine to be in a shutdown state.
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公开(公告)号：US20230417296A1
公开(公告)日：2023-12-28
申请号：US18462440
申请日：2023-09-07
申请人： Zhejiang Geely Holding Group Co., LTD , Ningbo Geely Royal Engine Components Co., Ltd. , Aurobay Technology Co.,Ltd.
发明人： Junchao JING , Jun YANG , Yiqiang LIU , Yiming HUI , Guang BAN , Guikang YANG , Weishan HUANG , Ingo SCHOLTEN , Ruiping WANG
IPC分类号： F16D48/06
CPC分类号： F16D48/06 , F16D2500/30425 , F16D2500/30406 , F16D2500/3056 , F16D2500/30428 , F16D2500/30412 , F16D2500/31446
摘要： A clutch control method, including: determining whether a current vehicle state satisfies a condition for a clutch to enter a sliding friction state; if so, controlling the clutch to enter the sliding friction state, and determining a target sliding friction rotating speed of the clutch; determining whether the current vehicle state satisfies a condition for entering a clutch torque deviation collecting state; if so, collecting a torque deviation once and storing the torque deviation; at an end of an adjustment period, accumulating all torque deviations collected previously and taking an average value according to an accumulation number of times, so as to obtain an average torque deviation; if the average torque deviation exceeds a preset deviation threshold, recording the average torque deviation; and if the current vehicle state satisfies a condition for entering a deviation applying state, adjusting a current clutch friction coefficient according to the recorded average torque deviation.
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公开(公告)号：US12034375B2
公开(公告)日：2024-07-09
申请号：US18041803
申请日：2022-06-13
申请人： Ningbo Geely Royal Engine Components Co., Ltd. , Aurobay Technology Co., Ltd. , Zhejiang Geely Holding Group Co., Ltd.
发明人： Junqi Liu , Chen Yang , Shubo Li , Lijun Wang , Xiaochun Zhu , Fangke Li , Ruiping Wang , Yige Xiao
CPC分类号： H02M3/3353 , B60L53/22 , H02M3/33561 , B60L1/02 , B60L2210/10 , F01N3/2013
摘要： This application provides a vehicle DC voltage conversion circuit, including a high voltage battery connected in sequence, a primary-side-bridge module, a resonant module, a transformer module and a secondary-side-output module, wherein the secondary-side-output module includes a first voltage unit outputting a first voltage and a second voltage unit outputting a second voltage. The secondary side winding of the transformer is connected with the first voltage unit and the second voltage unit; The circuit also includes a driver module connected with the original side bridge module. The vehicle DC voltage conversion circuit provided in this application can not only output the first voltage, but also output the second voltage at the same time. It has the advantages of small size, high efficiency, low cost and industrialization, and can be widely used in the vehicle 48V electrical load, such as 48V vehicle electric heating system, 48V vehicle cooling fan, and so on.
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10.发明授权公开(公告)号：US12000319B2
公开(公告)日：2024-06-04
申请号：US18041801
申请日：2022-06-13
申请人： Zhejiang Geely Holding Group Co., Ltd. , Ningbo Geely Royal Engine Components Co., Ltd. , Aurobay Technology Co., Ltd.
发明人： Junqi Liu , Chen Yang , Shubo Li , Rongchun Ma , Jie Chen , Xudong Sun , Yige Xiao , Ruiping Wang
CPC分类号： F01N3/2013 , B60L1/12 , B60W20/00 , F01N3/101 , B60W2710/0694 , B60W2710/086 , F01N3/027 , F01N3/0892 , F01N9/005 , F01N9/007 , F01N11/002 , F01N11/005 , F01N2390/02 , F01N2550/22 , F01N2900/1404
摘要： The invention provides a three-way catalytic converter preheating control method and system, a vehicle and a storage medium. The includes when the temperature of an exhaust pipe of the hybrid electric vehicle is lower than a first temperature threshold value, sending a first work instruction; the high-low pressure conversion module outputting a first working voltage according to the first working instruction so as to start preheating of a catalyst in a three-way catalytic converter; when working data of the hybrid electric vehicle meets the switching condition, sending a second working instruction to make the high-low voltage conversion module outputs a second working voltage and stops outputting the first working voltage so as to stop the electric heating. According to the invention, two working modes can be provided, and the power battery can be used for electrically heating the catalyst in advance through the high-low pressure conversion module.
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